etm software package provides Manages events and tasks using simple text files, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install etm
etm is installed in your system.
Make ensure the etm package were installed using the commands given below,
$ sudo dpkg-query -l | grep etm *
You will get with etm package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Utilities |
| Package | etm |
| Version | 3.2.22-1 |
| Description | Manages events and tasks using simple text files |
| Sub Section | Utils |